Explore / Hardiness & climate / Cold-hardy (zone 4a or colder)
Hardiness & climate
Cold-hardy (zone 4a or colder)
Taxa whose minimum survivable temperature is −30 °F or lower — suitable for hardiness zone 4a and colder. The Upper Plains, northern New England, the Mountain West interior.
- Matching taxa
- 856
- Page
- 2 / 18
- Filter
- max_temperature_f=-30
Showing 51–100 of 856.
-
Alopecurus arundinaceus Poir. ALARcreeping meadow foxtail · Poaceae -
Alopecurus carolinianus Walter ALCA4Carolina foxtail · Poaceae -
Alopecurus geniculatus L. ALGE2water foxtail · Poaceae -
Alopecurus magellanicus Lam. ALMA8Alpine Meadow-Foxtail · Poaceae -
Alopecurus pratensis L. ALPR3meadow foxtail · Poaceae -
Amaranthus tuberculatus (Moq.) Sauer AMTUroughfruit amaranth · Amaranthaceae -
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. AMAL2Saskatoon serviceberry · Rosaceae - Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. semiintegrifolia (Hook.) C.L. Hitchc. AMALSSaskatoon serviceberry · Rosaceae
-
Amelanchier arborea (Michx. f.) Fernald AMAR3common serviceberry · Rosaceae - Amelanchier canadensis (L.) Medik. AMCA4Canadian serviceberry · Rosaceae
-
Amelanchier laevis Wiegand AMLAAllegheny serviceberry · Rosaceae - Amelanchier sanguinea (Pursh) DC. AMSAroundleaf serviceberry · Rosaceae
-
Ammannia coccinea Rottb. AMCOvalley redstem · Lythraceae -
Amorpha canescens Pursh AMCA6leadplant · Fabaceae -
Amorpha fruticosa L. AMFRfalse indigo bush · Fabaceae -
Anaphalis margaritacea (L.) Benth. ANMAwestern pearly everlasting · Asteraceae -
Andropogon gerardii Vitman ANGEbig bluestem · Poaceae -
Andropogon hallii Hack. ANHAsand bluestem · Poaceae -
Antennaria anaphaloides Rydb. ANAN2pearly pussytoes · Asteraceae -
Antennaria dimorpha (Nutt.) Torr. & A. Gray ANDI2low pussytoes · Asteraceae -
Antennaria luzuloides Torr. & A. Gray ANLU2rush pussytoes · Asteraceae -
Antennaria microphylla Rydb. ANMI3littleleaf pussytoes · Asteraceae - Antennaria neglecta Greene ANNEfield pussytoes · Asteraceae
-
Apocynum cannabinum L. APCAIndianhemp · Apocynaceae -
Arabis drummondii A. Gray ARDRDrummond's rockcress · Brassicaceae -
Arabis holboellii Hornem. ARHO2Holboell's rockcress · Brassicaceae -
Aralia nudicaulis L. ARNU2wild sarsaparilla · Araliaceae -
Arctagrostis latifolia (R. Br.) Griseb. ARLA2wideleaf polargrass · Poaceae -
Arctophila fulva (Trin.) Rupr. ex Andersson ARFU2pendantgrass · Poaceae -
Arctostaphylos alpina (L.) Spreng. ARAL2alpine bearberry · Ericaceae -
Arctostaphylos uva-ursi (L.) Spreng. ARUVkinnikinnick · Ericaceae -
Aristida purpurea Nutt. var. longiseta (Steud.) Vasey ARPULFendler threeawn · Poaceae -
Arnica chamissonis Less. ARCH3Chamisso arnica · Asteraceae -
Arnica frigida C.A. Mey. ex Iljin ARFR2snow arnica · Asteraceae -
Arnica latifolia Bong. ARLA8broadleaf arnica · Asteraceae -
Arnica longifolia D.C. Eaton ARLO6spearleaf arnica · Asteraceae -
Arnica mollis Hook. ARMO4hairy arnica · Asteraceae -
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl AREL3tall oatgrass · Poaceae -
Artemisia arbuscula Nutt. ARAR8little sagebrush · Asteraceae -
Artemisia arctica Less. ARAR9boreal sagebrush · Asteraceae -
Artemisia cana Pursh ARCA13silver sagebrush · Asteraceae -
Artemisia frigida Willd. ARFR4prairie sagewort · Asteraceae -
Artemisia ludoviciana Nutt. ARLUwhite sagebrush · Asteraceae -
Artemisia rigida (Nutt.) A. Gray ARRI2scabland sagebrush · Asteraceae -
Artemisia tilesii Ledeb. ARTITilesius' wormwood · Asteraceae -
Artemisia tridentata Nutt. ARTR2big sagebrush · Asteraceae - Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Beetle ARTRVmountain big sagebrush · Asteraceae
- Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young ARTRW8Wyoming big sagebrush · Asteraceae
-
Artemisia tripartita Rydb. ARTR4threetip sagebrush · Asteraceae -
Asclepias incarnata L. ASINswamp milkweed · Asclepiadaceae